Ford F-150, F-150 Heritage, F-250, Expedition, Lincoln Navigator 2WD/4WD Repair Manual 1997-2009

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This repair manual by Haynes covers the following Ford pickup trucks and SUVs and Lincoln SUV (2WD and 4WD models):

• Ford F-150 1997-2003
• Ford F-150 Heritage 2004
• Ford F-250 1997-1999
• Ford Expedition 1997-2009
• Lincoln Navigator 1998-2009

Note: this manual does not include diesel engine, F-250 HD, Super Duty, F-350, or Lightning models.


Book Excerpt: 1997-2009 Ford F-150, F-150 Heritage, F-250, Expedition, Lincoln Navigator 2WD/4WD Repair Manual

PISTONS/CONNECTING RODS: INSPECTION
Refer to illustrations 18.4a, 18.4b, 18.10 and 18.11

1. Before the inspection process can be carried out, the piston/connecting rod assemblies must be cleaned and the original piston rings removed from the pistons. Note: Always use new piston rings when the engine is reassembled.
   
   
2. Using a piston ring installation tool, carefully remove the rings from the pistons (see illustration 22.11). Be careful not to nick or gouge the pistons in the process.
   
   
3. Scrape all traces of carbon from the top of the piston. A hand-held wire brush or a piece of fine emery cloth can be used once the majority of the deposits have been scraped away. Do not, under any circumstances, use a wire brush mounted in a drill motor or caustic chemicals to remove deposits from the pistons. The piston material is soft and may be eroded away.
   
   
4. Use a piston ring groove cleaning tool to remove carbon deposits from the ring grooves. If a tool isn't available, a piece broken off the old ring will do the job (see illustrations). Be very careful to remove only the carbon deposits - don't remove any metal and do not nick or scratch the sides of the ring grooves.
   
   
5. Once the deposits have been removed, clean the piston/rod assemblies with solvent and dry them with compressed air (if available). Make sure the oil return holes in the back sides of the ring grooves are clear.
   
   
6. If the pistons and cylinder walls aren't damaged or worn excessively, and if the engine block is not rebored, new pistons won't be necessary. Normal piston wear appears as even vertical wear on the piston thrust surfaces and slight looseness of the top ring in its groove. New piston rings, however, should always be used when an engine is rebuilt.
   
   
7. Carefully inspect each piston for cracks around the skirt, at the pin bosses and at the ring lands.

TABLE of CONTENTS:

• Introduction: Vehicle identification numbers; Buying parts; Maintenance techniques, and more.
• Tune-up and routine maintenance
• V6 engine
• V8 engines
• Engine and overhaul procedures
• Cooling, heating and air-conditioning systems
• Fuel and exhaust systems
• Engine electrical systems
• Emissions control systems
• Manual transmission
• Automatic transmission
• Transfer case
• Clutch and driveline
• Brakes
• Suspension and steering systems
• Body
• Chassis electrical system
• Wiring diagrams

Haynes repair manuals can save you money on maintenance and repair bills. Detailed instructions guide you from basic maintenance to complete teardown and rebuild.

Subject: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Ford, Lincoln pickup truck/SUV service, maintenance, repair. ISBN-10: 1563927810 | ISBN-13: 9781563927812